File size: 4,355 Bytes
27f6252 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | #!/usr/bin/env python3
import json
import logging
from pathlib import Path
import sys
# Add parent directory to path
sys.path.append(str(Path(__file__).parent.parent.parent))
from src.mapper.mapper_config import MapperConfig
from src.mapper.cve_ttp_mapper import CVEtoTTPMapper
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)
def run_cve_ttp_mapping():
"""Run CVE-to-TTP mapping on processed CVE data."""
config = MapperConfig()
mapper = CVEtoTTPMapper(config)
# Check if CWE mappings exist
if not config.cwe_capec_mitre_mapping_path.exists():
logger.error(f"CWE-CAPEC-MITRE mapping not found at {config.cwe_capec_mitre_mapping_path}")
logger.error("Please run 'python -m src.collectors.main_collector' first to generate mappings")
return
# Look for CVE data files
cve_data_dir = config.cti_data_dir / "cve_docs"
if not cve_data_dir.exists():
logger.warning(f"CVE docs directory not found at {cve_data_dir}")
logger.info("Looking for alternative CVE data sources...")
# Try to find CVE data in other locations
possible_paths = [
config.cti_data_dir / "nvd_cves",
config.cti_data_dir / "cve_data",
config.data_dir / "cve",
config.data_dir / "nvd"
]
for path in possible_paths:
if path.exists():
cve_data_dir = path
logger.info(f"Found CVE data at {cve_data_dir}")
break
else:
logger.error("No CVE data found. Please download CVE data first.")
return
# Process all CVE files
cve_files = list(cve_data_dir.glob("*.json"))
logger.info(f"Found {len(cve_files)} CVE files to process")
all_mappings = []
stats = {
"total_cves": 0,
"cves_with_ttps": 0,
"unique_ttps": set(),
"methods_used": {}
}
for cve_file in cve_files[:10]: # Process first 10 files as a test
logger.info(f"Processing {cve_file.name}")
try:
with open(cve_file, 'r', encoding='utf-8') as f:
cve_data = json.load(f)
# Handle single CVE or list of CVEs
if isinstance(cve_data, list):
cve_list = cve_data
elif "vulnerabilities" in cve_data: # NVD API v2 format
cve_list = [item["cve"] for item in cve_data["vulnerabilities"]]
elif "CVE_Items" in cve_data: # NVD v1 format
cve_list = cve_data["CVE_Items"]
else:
cve_list = [cve_data]
for cve_item in cve_list:
mapping = mapper.map_cve_to_ttps(cve_item)
all_mappings.append(mapping)
# Update statistics
stats["total_cves"] += 1
if mapping["ttps"]:
stats["cves_with_ttps"] += 1
stats["unique_ttps"].update(mapping["ttps"])
for method in mapping["methods_used"]:
stats["methods_used"][method] = stats["methods_used"].get(method, 0) + 1
except Exception as e:
logger.error(f"Error processing {cve_file}: {e}")
continue
# Save results
output_path = config.cve_ttp_mappings_path
mapper.save_mappings(all_mappings, output_path)
# Print statistics
logger.info("\n=== CVE-to-TTP Mapping Statistics ===")
logger.info(f"Total CVEs processed: {stats['total_cves']}")
logger.info(f"CVEs with TTPs: {stats['cves_with_ttps']} ({stats['cves_with_ttps']/stats['total_cves']*100:.1f}%)")
logger.info(f"Unique TTPs found: {len(stats['unique_ttps'])}")
logger.info(f"Methods used: {stats['methods_used']}")
# Show sample mappings
logger.info("\n=== Sample Mappings ===")
for mapping in all_mappings[:5]:
if mapping["ttps"]:
logger.info(f"{mapping['cve_id']}: {', '.join(mapping['ttps'][:5])}")
if __name__ == "__main__":
run_cve_ttp_mapping() |